package common.validator;


import common.exception.BaseException;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.Set;

/**
* @Author: nxs@winning.com.cn
*
* @Description:   hibernate-validator校验工具类
* 
* @Date:  2018-06-21 08:47:45
*
*
 **/ 
public class ValidatorUtils {
    private static Validator validator;

    static {
        validator = Validation.buildDefaultValidatorFactory().getValidator();
    }

    /**
     * 校验对象
     * @param object        待校验对象
     * @param groups        待校验的组
     * @throws BaseException  校验不通过，则报BaseException异常
     */
    public static void validateEntity(Object object, Class<?>... groups)
            throws BaseException {
        Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object, groups);
        if (!constraintViolations.isEmpty()) {
        	ConstraintViolation<Object> constraint = (ConstraintViolation<Object>)constraintViolations.iterator().next();
            throw new BaseException(constraint.getMessage());
        }
    }
}
